(19)
(11) EP 0 613 101 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
26.04.1995 Bulletin 1995/17

(43) Date of publication A2:
31.08.1994 Bulletin 1994/35

(21) Application number: 94301378.9

(22) Date of filing: 25.02.1994
(51) International Patent Classification (IPC)5: G06K 9/62
(84) Designated Contracting States:
DE FR GB

(30) Priority: 26.02.1993 JP 38208/93
10.02.1994 JP 16377/94

(71) Applicant: CANON KABUSHIKI KAISHA
Tokyo (JP)

(72) Inventor:
  • Niki, Toru, c/o Canon Kabushiki Kaisha
    Ohta-ku, Tokyo (JP)

(74) Representative: Beresford, Keith Denis Lewis et al
BERESFORD & Co. 2-5 Warwick Court High Holborn
London WC1R 5DJ
London WC1R 5DJ (GB)


(56) References cited: : 
   
       


    (54) Pattern recognizing method and apparatus


    (57) A pattern recognizing apparatus comprises a feature vector extractor to extract a feature vector of an input pattern; a converting unit to convert the feature vector extracted by the feature vector extractor into the feature vector which is effective for selection between categories; a classification processing unit for calculating an inner product with a predetermined basic vector for the converted vector after the conversion was performed by the converting unit; and a category selecting unit for selecting and outputting a category group to which the input pattern belongs with reference to a predetermined category table on the basis of the result of the calculation by the classification processing unit.






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